Names of 1801
| Nominal | 1801 |
| Cardinal | one thousand eight hundred one |
| Ordinal | 1,801st |
| This number as US currency | one thousand eight hundred one dollars |
| Is 1801 an odd number? | 1801 is an odd number |
| Is 1801 an even number? | 1801 is NOT an even number |
| Is 1801 a palindrome? | 1801 is NOT a palindrome number |
| Is 1801 a triangle number? | 1801 is NOT a triangle number |
1801 in other Bases
| Base 2 (Binary) | 111000010012 |
| Base 3 (Ternary) | 21102013 |
| Base 4 (Quaternary) | 1300214 |
| Base 5 (Quinary) | 242015 |
| Base 6 (Senary) | 122016 |
| Base 8 (Octal) | 34118 |
| Base 12 (Duodecimal) | 106112 |
| Base 16 (Hexadecimal) | 70916 |
| Base 20 (Vigesimal) | 4A120 |
Primes and Factors tests for 1801
| Is 1801 a Prime Number? | 1801 is a prime |
| Is 1801 a perfect number? | 1801 is NOT a perfect number |
| Is 1801 a Mersenne Prime? | 1801 is NOT a Mersenne prime |
| Is 1801 a Fermat Prime? | 1801 is NOT a Fermat prime |
| Is 1801 a Fibonacci Prime? | 1801 is NOT a Fibonacci prime |
| Is 1801 a Partition Prime? | 1801 is NOT a Partition prime |
| Is 1801 a Pell Prime? | 1801 is NOT a Pell prime |
| Prime Factors | Prime factors of 1801 |
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1801 in other Numerals
| 1801 in Roman Numeral | MDCCCI |
| 1801 in Chinese Numeral | 壹仟捌佰壹 |
| 1801 in Egyptian Numeral | 𓆼𓍩𓏺 |
| 1801 in Babylonian Numeral |   |
Roots and stuff for 1801
| Is 1801 a square number? | 1801 is NOT a square number |
| Is 1801 a cube number? | 1801 is NOT a cube number |
| Square root of the number 1801 | 42.438190347846 |
| Cube root of the number 1801 | 12.166656241521 |
Recreational math for 1801
| Number 1801 reversed | 1081 |
| Sum of the digits | 10 |
| No of digits | 4 |